Home / 89,897.38-124,004.94-58,085.04

Finding the Fourth Proportional to 89,897.38, 124,004.94 and 58,085.04

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Solution

The fourth proportional to 89,897.38, 124,004.94 and 58,085.04 is: 80,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,897.38 : 124,004.94 = 58,085.04 : x
  2. Step 2: Convert to fraction form
    89,897.38/124,004.94 = 58,085.04/x
  3. Step 3: Cross multiply
    89,897.38x = 124,004.94 × 58,085.04
  4. Step 4: Simplify right side
    89,897.38x = 7,202,831,900.10
  5. Step 5: Solve for x
    x = 7,202,831,900.10/89,897.38
  6. Step 6: Final answer
    x = 80,122.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.